Fiber Optic Splice Closures (FOSC®)

Protect networks with the benchmark in hermetically sealed closures, powered by CommScope’s proven gel block technology and innovation. 


The fiber splice closures deliver proven reliability, flexibility and environmental protection for FTTH networks, supporting applications ranging from trunk to drop. Engineered for fast installation and long-term durability, the FOSC portfolio—including modular solutions with gel-sealed technology—simplifies network expansion while accommodating a wide range of cable types and topologies.

Fiber Optic Splice Closures

  • FOSC® 450 Fiber Optic Splice Closures
  • FOSC® 650 Fiber Optic Splice Closures
  • FOSC® MSC Fiber Optic Modular Splice Closure
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